- A die is thrown 3 times. If getting a 6 is nsidered as success find the probability o

Q: 1. Find the forecasting results based on each year (1991-1995) using the simple linear regression.…

A: 1991 1992 1993 1994 1995 Jan 164 147 139 151 138 Feb 148 133 143 134 136 Mar 152 163 150 164…

Q: The null and alternative hypotheses would be?

A: The average American gets a haircut every 37 days. Claim: The average smaller for college students…

Q: lation I four. ere are four batteries in a package. s in a package exceeds that value for only 5% of…

A: Given n=4 Mean=10 SD=1

Q: Write the M.G.F of Gamma distribution

A:

Q: A new gasoline additive is supposed to make gas burn more cleanly and increase gas mileage in the…

A:

Q: Suppose a simple random sample of size n=44 is obtained from a population with µ-61 and o=16 (a)…

A: given data n = 44μ= 61σ = 16

Q: Consider a Qunat vars X and Y and suppose we have collected data on both of them from an underlying…

A: We check the association between dependent and independent variable using coefficient of…

Q: People who diet can expect to lose an average of 3kg in a month. In a book, the authors claim that…

A: given data  claim : μ <3 n = 180 x¯ = 2.7 s = 2.8 α = 0.05

Q: 1:15 mylab.pearson.com/ + One of the biggest factors in determining the value of a home is the…

A: Obtain the value of correlation The value of correlation is obtained below as follows: Thus,

Q: Scores on a certain standardized test, IQ scores, are approximately normally distributed with mean μ…

A:

Q: If X has Exponential Distribution with parameter 1,find the p.d.f of Y = √X .

A:

Q: Your answer is partially correct. An article in Fortune (September 21, 1992) claimed that nearly…

A: To find the p-value, we have to calculate the test-statistic first.  The z test statistic for…

Q: To test the effect of a physical fitness course on one's physical ability, the number of sit-ups…

A: Given: n = 10 Confidence level = 90% Formula Used: Confidence interval = d ± Margin of error Margin…

Q: Ashley's Internet service is terribly unreliable. In fact, on any given day, there is a 30 % chance…

A:

Q: How  should interpret assumptions of the technique used?

A: Here ANOVA test is used. The assumptions of ANOVA are as follows:

Q: 7.20 A one-sample t test. The one-sample t statistic for testing Ho: μ = 8 Ha: μ > 8 from a sample…

A: The information provided in the question are as follows : The null and alternative hypotheses are…

Q: An experiment is conducted for which the sample space is S= possible for this experiment? Outcomes…

A: given data  sample space of experiment: {s1,s2,s3,s4,s5} probabilities of each outcomes are:…

Q: You are asked to evaluate another new test for earlier detection of head and neck cancer. In total,…

A: The question is sensitivity and specificity Given : Total no. of people who tested +ve = 500 Total…

Q: An experiment with three outcomes has been repeated 50 times, and it was learned that E1 occurred 20…

A: Probability of any event A is given by,  P(A)= n(A)/n  Where n(A) is the number of times that…

Q: K.Brew sells a wide variety of outdoor equipment and clothing. The company sells both in-store and…

A: Given: n1 = 10 X1 = 75.80 s1 = 27.25 n2 = 14 X2 = 83.40 s2 = 17.75 Formula Used: Standard error se =…

Q: The average annual salary for all U.S. teachers is $47,750. Assume that the distribution is normal…

A: Given Mean=47750 Standard deviations=5680

Q: Given an actual demand this period of 100, a forecast value for this period of 146, and an alpha of…

A: The given actual demand is 100 and forecast value is 146 and alpha is 0.88.

Q: ngineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots…

A: Given data, normal distributionμ=129σ=33.7we have to find out the given probabilities

Q: The least-squares regression equation is y=745.9x + 12,727 where y is the median income and x is the…

A: The given regression equation is y^=745.9x+12727.

Q: Serum cholesterol is an important risk factor for coronary disease. We can show that serum…

A: GivenMean(μ)=219standard deviation(σ)=50

Q: Assume that the samples are independent and that they have been randomly selected. 1) In a random…

A: Followings are the Explanation of the question Use the two Proportion Z confidence interval  We need…

Q: Calculate the lower endpoint of a two-sided 95% confidence interval for the population mean using…

A: given data sample size (n) = 32sample mean ( x¯ ) = 0.485sample standard deviatio (s) = 0.36995% ci…

Q: Question 2 A microbiologist exposes 10,000,000 Bacillus subtilis spores to a high level disinfectant…

A: To find out the equation of regression line in SPSS, first we enter the given data set in SPSS…

Q: Carry your intermediate computations to at least three decimal places. (If necessary, consult a list…

A: Followings are the Explanation of the question Use the Two sample independent t test  Given that,…

Q: Seventy-three successes were observed in a random sample of n = 120 observations from a binomial…

A: Given,n=120x=73sample proportion(p^)=xnsample proportion(p^)=73120=0.6083

Q: Use the following information to construct an APA style write up the analysis. Research question:…

A: The given researcher question is check whether there is a significant difference on exam performance…

Q: Elephants are the mammals with the longest gestation period. One species of elephant has a mean…

A: Given that,  Population mean, u= 635 population standard deviation is 63  sample size is n= 42 and…

Q: Refer to the data set of 20 randomly selected presidents given below. Treat the data as a sample and…

A: From the information out of 20 randomly selected presidents 8 are  taller than their opponents.

Q: Given null =34 and alternative doesnt equal 34. a P-value of 0.158 . Make a decision for a…

A: given data  H0 : μ = 34Ha : μ ≠ 34p value = 0.158make a decision for a hypothesis at level of…

Q: le 1 showed data on accidents involving trains. Is it plausible that the collision counts are…

A: The given data shows accidents involving trains.Part (1) The objective is to test that the collision…

Q: The following problem deals with evaluating a particular expression from Topic 17 a Say you get a…

A: Given that ; the z-score = -1.21

Q: State the hypotheses, identify the claim with the correct hypothesis, and determine whether it is a…

A: Given: n = 9 α = 0.10 Formula Used: Test-stasitic t = d-μdsdn

Q: If X is uniformly distributed with mean 1 and variance 4/3 find P(X<0)

A:

Q: a recent court case it was found that during a period of 11 years 870 people were selected for grand…

A: GIVEN DATA, n=870p^=0.37Among the people eligible for grand jury​ duty, 79.6​% were of this…

Q: he brand manager for a brand of toothpaste must plan a campaign designed to increase brand…

A: Given that : Margin of  error =8% Confidence level=80% Asuume p=0.5

Q: A book has 300 pages. For each page, whether it contains typing error has Bernoulli distribution…

A:

Q: Sal knows that parties of people on average spend 75 minutes at their restaurant. They wonder if…

A: Given  Sample mean x̄=82, n=sample size=30, s=sd=17, level of significance ɑ=0.05

Q: 7.15 Finding the critical value t*. What critical value t* from Table D should be used to calculate…

A: Given: Summarize these relationships. .0005 636.6 3160 12.92 8.610 5.95 TABLED Distribution Critical…

Q: An engineer wants to determine how the weight of a gas-powered car, x, affects gas mileage, y. The…

A: As per our guidelines I can solve only first three subparts. Kindly post the remaining subparts…

Q: A probability experiment is conducted in which the sample space of the experiment is S =…

A: The sample space is given by  S={7,8,9,10,11,12,13,14,15,16,17,18} And event E is defined as E =…

Q: The Gallup website reported results from a recent poll of American teachers and asked if they…

A: Given: n = 120 X = 88 P = 0.70 α = 0.05 Formula Used: p-value = P(Z≥z) Z = p^-PP(1-P)n

Q: Given the following ANOVA table: Source Regression Error DF 1 $$ 1,700.0 850.0 17 2,550.0 MS…

A: Given that :

Q: (i) Determine whether the hypothesis test is one tailed or two tailed.  (ii) Find the P-value.…

A: From the information, The sample size for the winter months is 30 days, mean is 300 and the standard…

Q: 2. Test the significance of explanatory variable. (a) There is no evidence that the explanatory…

A: The response variable and the explanatory variable in our regression model are overall height and…

Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

A: class f midpoint(x) fx 42-45 22 43.5 957 46-49 13 47.5 617.5 50-53 6 51.5 309 54-57 3 55.5…